Finding the Fourth Proportional to 8,348.16, 12,511.50 and 3,411.92

Step by Step Solution

1. Step 1: Write the proportion equation
   8,348.16 : 12,511.50 = 3,411.92 : x
2. Step 2: Convert to fraction form
   8,348.16/12,511.50 = 3,411.92/x
3. Step 3: Cross multiply
   8,348.16x = 12,511.50 × 3,411.92
4. Step 4: Simplify right side
   8,348.16x = 42,688,255.56
5. Step 5: Solve for x
   x = 42,688,255.56/8,348.16
6. Step 6: Final answer
   x = 5,113.49